The game could not be started. (80020321)
This error may occur when trying to run a PSP ISO game from your memory stick.
You need to have either a Game or Demo UMD Disc in your PSP when start a PSP ISO game, A UMD Movie will not work.

If you don't have a Game or Demo UMD Disc, you can enable either the 'Sony NP9660' or 'M33 Driver' No-UMD mode.
(The 'Sony NP9660' and 'M33 Driver' No UMD modes are only available on Custom Firmwares 3.52 M33 and higher)

To enable the 'Sony NP9660' or 'M33 Driver' No-UMD Mode:
1. Turn off PSP by holding the power button for 4 seconds.
2. Hold the 'R' button and turn on your PSP and you will enter the 'Recovery mode'
3. Select the 'Configuration' menu and press 'X'
4. Select the 'No UMD' option and press 'X' until it changes to 'Sony NP9660 -No UMD-' or '-M33 Driver -No UMD-'
5. Select the Back option and press 'X'
6. Select the Exit Option and press 'X'
7. Your PSP will load the XMB menu, try playing your PSP ISO again.


The game could not be started. (80020130)
This is a file read error, if you are trying to play a PSP ISO then your ISO may be corrupted / badly ripped.
If you are trying to play a UMD Disc, the UMD disc or your UMD Drive lens may be dirty.

This could also mean your memory stick has some bad sectors, moving any important files to your computer.
Format your memory stick using your PSP and copy back the files you moved to your computer earlier.


This disc cannot be started. The region code is not correct.
This may occur when trying to play back a UMD Movie thats not from your PSPs Region.
You can change your PSP Region in the Recovery menu, this may not work on all PSPs.

This may also occur when trying to start a PSP ISO game when a UMD Movie is inserted.
To play a PSP ISO you need to insert a Game or Demo UMD into your PSP before starting the PSP ISO game.